J. Billard

Publications122
h-index34
Citations4,453
Highly Influential Citations197
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Search for low-mass weakly interacting massive particles with SuperCDMS.
TLDR
A first search for weakly interacting massive particles (WIMPs) using the background rejection capabilities of SuperCDMS is reported, setting an upper limit on the spin-independent WIMP-nucleon cross section of 1.2×10(-42)  cm(2) at 8” GeV/c(2).
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Implication of neutrino backgrounds on the reach of next generation dark matter direct detection experiments
As direct dark matter experiments continue to increase in size, they will become sensitive to neutrinos from astrophysical sources. For experiments that do not have directional sensitivity, coherent…
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New Results from the Search for Low-Mass Weakly Interacting Massive Particles with the CDMS Low Ionization Threshold Experiment.
The CDMS low ionization threshold experiment (CDMSlite) uses cryogenic germanium detectors operated at a relatively high bias voltage to amplify the phonon signal in the search for weakly interacting…
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Silicon detector dark matter results from the final exposure of CDMS II.
TLDR
Results of a search for weakly interacting massive particles (WIMPS) with the silicon detectors of the CDMS II experiment revealed three WIMP-candidate events with a surface-event background estimate of 0.41, with a profile likelihood ratio test giving a 0.19% probability for the known-background-only hypothesis when tested against the alternative WIMp+background hypothesis.
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Complementarity of dark matter detectors in light of the neutrino background
Direct detection dark matter experiments looking for WIMP-nucleus elastic scattering will soon be sensitive to an irreducible background from neutrinos which will drastically affect their discovery…
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Search for Low-Mass WIMPs with SuperCDMS
We report a first search for weakly interacting massive particles (WIMPs) using the background rejection capabilities of SuperCDMS. An exposure of 577 kg-days was analyzed for WIMPs with mass < 30…
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Search for low-mass weakly interacting massive particles using voltage-assisted calorimetric ionization detection in the SuperCDMS experiment.
TLDR
This Letter presents WIMP-search results using a calorimetric technique the authors call CDMSlite, which relies on voltage-assisted Luke-Neganov amplification of the ionization energy deposited by particle interactions to constrain new WIMp-nucleon spin-independent parameter space for W IMP masses below 6  GeV/c2.
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Dark Matter Search Results Using the Silicon Detectors of CDMS II
We report results of a search for Weakly Interacting Massive Particles (WIMPs) with the silicon (Si) detectors of the CDMS II experiment. A blind analysis of data from eight Si detectors, with a…
Searching for low-mass dark matter particles with a massive Ge bolometer operated above ground
The EDELWEISS Collaboration has performed a search for dark matter particles with masses below the GeV scale with a 33.4-g germanium cryogenic detector operated in a surface lab. The energy deposits…
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First Germanium-Based Constraints on Sub-MeV Dark Matter with the EDELWEISS Experiment.
We present the first Ge-based constraints on sub-MeV/c^{2} dark matter (DM) particles interacting with electrons using a 33.4 g Ge cryogenic detector with a 0.53 electron-hole pair (rms) resolution,…
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